Toothbrush



FIG. 1 is a front elevational view of a toothbrush showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof and

FIG. 6 is a sectional view thereof taken in the direction of the arrows on line 6--6 of FIG. 5. 

The ornamental design for a toothbrush, substantially as shown and described. 